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Bug 646567 - [matroska] Add alaw/mulaw audio support
[matroska] Add alaw/mulaw audio support
Status: RESOLVED FIXED
Product: GStreamer
Classification: Platform
Component: gst-plugins-good
unspecified
Other All
: Normal enhancement
: 0.10.29
Assigned To: GStreamer Maintainers
GStreamer Maintainers
Depends on:
Blocks:
 
 
Reported: 2011-04-02 21:13 UTC by Nicola
Modified: 2011-04-05 12:30 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description Nicola 2011-04-02 21:13:14 UTC 
matroskamux/demux support a wide range of audio/video codec would be useful to add support for mulaw/alaw audio codec too, both are in gst-plugins-good. Actually gstreamer support mulaw/alaw only in avimux/demux
Comment 1 Sebastian Dröge (slomo) 2011-04-04 07:21:21 UTC 
There seems to be no official mapping for alaw/µlaw in Matroska: http://matroska.org/technical/specs/codecid/index.html

Once there is one we can add support for it. Could you contact the Matroska guys and ask your an official mapping?
Comment 2 Nicola 2011-04-04 08:05:27 UTC 
sent an email to contact@matroska.org with the request,

thanks
Nicola
Comment 3 Nicola 2011-04-05 06:26:57 UTC 
Here is the reply from Steve Lhomme

"Hello Nicola,

If it's supported in avimux/demux then it can be supported in Matroska
via A_MS/ACM.

Steve"

http://lists.matroska.org/pipermail/matroska-devel/2011-April/004032.html
Comment 4 Sebastian Dröge (slomo) 2011-04-05 12:30:35 UTC 
commit cea556b75c7f7be086ffb80038f3c38a41ab004d
Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
Date:   Tue Apr 5 14:28:54 2011 +0200

    matroskamux: Add support for A-Law and µ-Law
    
    Fixes bug #646567.